samsung-a5y17lte: add wlan kernel module (!555)

qcacld-2.0 external kernel module from code aurora forum, master branch

device/linux-samsung-a5y17lte/APKBUILD

@@ -3,7 +3,7 @@
 
 pkgname="linux-samsung-a5y17lte"
 pkgver=3.18.14
-pkgrel=2
+pkgrel=3
 pkgdesc="Samsung Galaxy A5 (2017) kernel fork"
 arch="aarch64"
 _carch="arm64"
@@ -20,33 +20,59 @@ HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
 # Source
 _repository="android_kernel_samsung_universal7880"
 _commit="9af43285ff43d74f3f40f910023e57dfad1c8e63"
+_qca_commit="48f9ab5d5c161549be098997fa0e3602c1547213"
 _config="config-${_flavor}.${arch}"
 source="
 	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
+	qcacld-$_qca_commit.tar.gz::https://github.com/codeauroraforum/quic-la-platform-vendor-qcom-opensource-wlan-qcacld-2.0/archive/${_qca_commit}.tar.gz
 	$_config
 	fix_firmware_path.patch
 	gcc7-give-up-on-ilog2-const-optimizations.patch
 	gcc8-fix-put-user.patch
 	0007-usb_gadget-set-random-rndis-host-MAC-address-to-prev.patch
+	qcacld-2.0.config
+	disable_wlan_werror.qcapatch
+	skbuff_increased.patch
 	disable_knox.patch
 	debug_muic.patch
 "
 builddir="$srcdir/${_repository}-${_commit}"
+qcaclddir="$srcdir/quic-la-platform-vendor-qcom-opensource-wlan-qcacld-2.0-${_qca_commit}"
 
 prepare() {
 	default_prepare
 	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
+	prepare_modules
+}
+
+prepare_modules() {
+	cd $qcaclddir
+	patch -p1 -i "$srcdir"/disable_wlan_werror.qcapatch
 }
 
 build() {
 	unset LDFLAGS
 	make ARCH="$_carch" CC="${CC:-gcc}" \
 		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
+	build_modules
+
 	dtbTool-exynos --pagesize 2048 --platform 0x50a6 --subtype 0x217584da \
 		-o "arch/arm64/boot/dtb.img" $(find "arch/arm64/boot/dts/" -name *a5y17lte*.dtb)
 }
 
+build_modules() {
+	(
+		set -a
+		source "$srcdir"/qcacld-2.0.config
+		make M=$qcaclddir WLAN_ROOT=$qcaclddir modules ARCH="$_carch" CC="${CC:-gcc}"
+	)
+}
+
 package() {
+	mkdir -p "$pkgdir"/lib/modules/$pkgver
+	cp -v "$builddir"/modules.builtin "$pkgdir"/lib/modules/$pkgver
+	make INSTALL_MOD_PATH="$pkgdir" INSTALL_MOD_STRIP=1 M=$qcaclddir modules_install
+
 	# kernel.release
 	install -D "$builddir/include/config/kernel.release" \
 		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"
@@ -71,10 +97,14 @@ package() {
 }
 
 sha512sums="96794c6c5c91375a0110906c512644ccfb7c1d1f6e9275a0807e123bd8d02c93047856228298e38c9d24ddb663d58c33dbeaedb8f433cd54a07e4ae4e91ad243  linux-samsung-a5y17lte-9af43285ff43d74f3f40f910023e57dfad1c8e63.tar.gz
+1dfcf7d1965d1a4fa86ac05d4408f1ffbedaf864689e0228d09d3d964fca08edf33dcf77bb0ab4dfcf1f8a37d6ee300c9e480457710745f9f5b7df9587e265e8  qcacld-48f9ab5d5c161549be098997fa0e3602c1547213.tar.gz
 370d215158707ce674562a9d194c7827b1ba7adc808503ea60ace392a2bb3bf95e39828062947dd425a80041343cb12dd683e379dccbadfc88be94359065984b  config-samsung-a5y17lte.aarch64
 9e2fb4b559936fdf77634ed7b3b85b2431b79ae9304f58c97172ba933bbfa365291650b20ddce41993526e39ca866049b765f730690f446ef047d86873a5f710  fix_firmware_path.patch
 77eba606a71eafb36c32e9c5fe5e77f5e4746caac292440d9fb720763d766074a964db1c12bc76fe583c5d1a5c864219c59941f5e53adad182dbc70bf2bc14a7  gcc7-give-up-on-ilog2-const-optimizations.patch
 197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
 b5f7aed0d4c78fcd9ea6f65e11606c4d33004b45eed39017baa8b0a78db801396aa04ba7cd3a4a669c23f878f5462ae1b5f753e0e26b65c9962fd1e98855e524  0007-usb_gadget-set-random-rndis-host-MAC-address-to-prev.patch
+83a432ab7e3ee3cae47b0c751cf0a268f4291411789a1cf9187ef003a0f09b46316c0669e92bd91d3062b3d020005e67aea6fbf48b8ef87ba9b7f3a86a44612b  qcacld-2.0.config
+23278ca0660f17723506ca5befea757d736bd2cf4f01bccfaf4c154f94d42828fc2f49fd599f3295623a65f85b3b89bea18389a65c63f82f0496a92e8e6d8d72  disable_wlan_werror.qcapatch
+f763033e73f5a00ad42273c11058446ff365d09d5f204c828d111aa48bc816baca74c333cbd2fa61c21ccdebc7329d0a3cfe971f5991026cb5abe7871b51a32b  skbuff_increased.patch
 0ed3a870c33728b5337261770e8e8ea3d4135235339407d7e4d070d2f6aef5a866ad2012451b75aeeb813bd7d514c959d49d2f31a93ce95c0dbfc03275328a33  disable_knox.patch
 fefc6dde6c74201e2862b998a1e9a75cc0f71a7921383c99cf058f8fec53e278abb1cc40fc1fc6e532cf60e4a6670123129de60cc59e64057856769e1612edd1  debug_muic.patch"

device/linux-samsung-a5y17lte/disable_wlan_werror.qcapatch

@@ -0,0 +1,12 @@
+diff --git a/Kbuild b/Kbuild
+index 4a528a190..f4b12b8e2 100644
+--- a/Kbuild
++++ b/Kbuild
+@@ -977,7 +977,6 @@ CDEFINES :=	-DANI_LITTLE_BYTE_ENDIAN \
+ 		-DWLAN_PERF \
+ 		-DPTT_SOCK_SVC_ENABLE \
+ 		-Wall\
+-		-Werror\
+ 		-D__linux__ \
+ 		-DHAL_SELF_STA_PER_BSS=1 \
+ 		-DWLAN_FEATURE_VOWIFI_11R \

device/linux-samsung-a5y17lte/qcacld-2.0.config

@@ -0,0 +1,25 @@
+#
+# Qualcomm Atheros CLD WLAN module config
+#
+CONFIG_QCA_CLD_WLAN=m
+CONFIG_QCACLD_WLAN_LFR3=y
+CONFIG_PRIMA_WLAN_OKC=y
+CONFIG_PRIMA_WLAN_11AC_HIGH_TP=y
+CONFIG_WLAN_FEATURE_11W=y
+CONFIG_WLAN_FEATURE_LPSS=y
+CONFIG_QCOM_VOWIFI_11R=y
+CONFIG_WLAN_FEATURE_NAN=y
+CONFIG_WLAN_FEATURE_NAN_DATAPATH=y
+CONFIG_QCOM_TDLS=y
+CONFIG_QCOM_LTE_COEX=y
+CONFIG_WLAN_SYNC_TSF=y
+CONFIG_WLAN_FEATURE_MEMDUMP=y
+CONFIG_WLAN_OFFLOAD_PACKETS=y
+CONFIG_QCA_WIFI_AUTOMOTIVE_CONC=y
+CONFIG_WLAN_UDP_RESPONSE_OFFLOAD=y
+CONFIG_WLAN_FEATURE_RX_WAKELOCK=y
+CONFIG_WLAN_WOW_PULSE=y
+CONFIG_CLD_HL_SDIO_CORE=y
+WLAN_OPEN_SOURCE=1
+MODNAME=wlan
+# export CONFIG_DPTRACE_ENABLE=y

device/linux-samsung-a5y17lte/skbuff_increased.patch

@@ -0,0 +1,15 @@
+This patch increases skbuff for qcacld-2.0 module
+
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index 2efc361539d..d9c47719ece 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -538,7 +538,7 @@ struct sk_buff {
+ 	 * want to keep them across layers you have to do a skb_clone()
+ 	 * first. This is owned by whoever has the skb queued ATM.
+ 	 */
+-	char			cb[48] __aligned(8);
++	char			cb[96] __aligned(8);
+ 
+ 	unsigned long		_skb_refdst;
+ 	void			(*destructor)(struct sk_buff *skb);